[libcamera-devel] [PATCH v5 6/9] libcamera: v4l2_device: Expose the device node path
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Thu Feb 28 23:18:56 CET 2019
Hi Jacopo,
Thank you for the patch.
On Thu, Feb 28, 2019 at 09:01:48PM +0100, Jacopo Mondi wrote:
> Provide a getter method to access the device node path. For video
> devices it is usually the most informative description.
This looks fine, but do you use it anywhere ?
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
> ---
> src/libcamera/include/v4l2_device.h | 1 +
> src/libcamera/v4l2_device.cpp | 6 ++++++
> 2 files changed, 7 insertions(+)
>
> diff --git a/src/libcamera/include/v4l2_device.h b/src/libcamera/include/v4l2_device.h
> index 733bd69959f3..e1f79e730ec5 100644
> --- a/src/libcamera/include/v4l2_device.h
> +++ b/src/libcamera/include/v4l2_device.h
> @@ -99,6 +99,7 @@ public:
> const char *driverName() const { return caps_.driver(); }
> const char *deviceName() const { return caps_.card(); }
> const char *busName() const { return caps_.bus_info(); }
> + const std::string deviceNode() const { return deviceNode_; }
Did you mean const std::string &devicenode() const ?
>
> int getFormat(V4L2DeviceFormat *format);
> int setFormat(V4L2DeviceFormat *format);
> diff --git a/src/libcamera/v4l2_device.cpp b/src/libcamera/v4l2_device.cpp
> index 9bfa10e8a151..b498d4e0bf92 100644
> --- a/src/libcamera/v4l2_device.cpp
> +++ b/src/libcamera/v4l2_device.cpp
> @@ -364,6 +364,12 @@ void V4L2Device::close()
> * \return The string containing the device location
> */
>
> +/**
> + * \fn const std::string V4L2Device::deviceNode()
You don't have to set the return type.
> + * \brief Retrieve the video device node path
> + * \return The video device deviceNode path
> + */
> +
> std::string V4L2Device::logPrefix() const
> {
> return deviceNode_;
--
Regards,
Laurent Pinchart
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